The WRCT5-910.5-915.5-919.5-924.5-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 915.5 to 919.5 MHz, Bandwidth 4 MHz, Insertion Loss 0.5 to 1 dB, Rejection 50 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT5-910.5-915.5-919.5-924.5-50 can be seen below.